/*
* UnRegister Given Node
* Connection for registering is just used once then closed
*/
int
UnregisterGTM(GTM_PGXCNodeType type)
{
int ret;
CheckConnection();
if (!conn)
return EOF;
ret = node_unregister(conn, type, PGXCNodeName);
/* If something went wrong, retry once */
if (ret < 0)
{
CloseGTM();
InitGTM();
if (conn)
ret = node_unregister(conn, type, PGXCNodeName);
}
/*
* If node is unregistered cleanly, cut the connection.
* and Node shuts down smoothly.
*/
CloseGTM();
return ret;
}
void
test_node5_02()
{
int rc;
SETUP();
/*
* active
*/
connect1();
rc = node_register(conn, GTM_NODE_DATANODE, 16666, "One zero zero one", "/tmp/pgxc/data/gtm");
_ASSERT( rc >= 0 );
rc = node_unregister(conn, GTM_NODE_DATANODE, "One zero zero one");
_ASSERT( rc >= 0 );
GTMPQfinish(conn);
sleep(3);
/*
* standby
*/
connect2();
rc = node_unregister(conn, GTM_NODE_DATANODE, "One zero zero one");
_ASSERT( rc<0 );
GTMPQfinish(conn);
TEARDOWN();
}
/*
* Update my node status from "disconnected" to "connected" in GTM by myself.
*
* Returns 1 on success, 0 on failure.
*/
int
gtm_standby_activate_self(void)
{
int rc;
elog(LOG, "Updating the standby-GTM status to \"CONNECTED\"...");
rc = node_unregister(GTM_ActiveConn, GTM_NODE_GTM, standbyNodeName);
if (rc < 0)
{
elog(LOG, "Failed to unregister old standby-GTM status.");
return 0;
}
rc = node_register_internal(GTM_ActiveConn, GTM_NODE_GTM, standbyHostName, standbyPortNumber,
standbyNodeName, standbyDataDir, NODE_CONNECTED);
if (rc < 0)
{
elog(LOG, "Failed to register a new standby-GTM status.");
return 0;
}
elog(LOG, "Updating the standby-GTM status done.");
return 1;
}
void
test_node5_03()
{
int rc;
SETUP();
/*
* active
*/
connect1();
rc = node_register(conn, GTM_NODE_DATANODE, 16666, "One zero zero one", "/tmp/pgxc/data/gtm");
_ASSERT( rc >= 0 );
system("killall -9 gtm");
system("./promote.sh");
sleep(1);
GTMPQfinish(conn);
connect2();
rc = node_unregister(conn, GTM_NODE_DATANODE, "One zero zero one");
_ASSERT( rc >= 0 );
GTMPQfinish(conn);
TEARDOWN();
}
void
test01()
{
GlobalTransactionId gxid;
int rc;
char host[1024];
printf("\n=== test01:node_register ===\n");
setUp();
node_get_local_addr(conn, host, sizeof(host));
/*
* starting
*/
rc = node_register_internal(conn, GTM_NODE_GTM, host, 6667, "One zero two", "/tmp/pgxc/data/gtm_standby", NODE_DISCONNECTED);
_ASSERT(rc == 0);
rc = node_unregister(conn, GTM_NODE_GTM, "One zero two");
_ASSERT(rc == 0);
rc = node_register_internal(conn, GTM_NODE_GTM, host, 6667, "One zero two", "/tmp/pgxc/data/gtm_standby", NODE_CONNECTED);
_ASSERT(rc == 0);
sleep(10);
gxid = begin_transaction(conn, GTM_ISOLATION_SERIALIZABLE, timestamp);
_ASSERT( gxid!=InvalidGlobalTransactionId );
rc = prepare_transaction(conn, gxid);
_ASSERT( rc!=-1 );
rc = abort_transaction(conn, gxid);
_ASSERT( rc!=-1 );
sleep(10);
/*
* closing
*/
rc = node_unregister(conn, GTM_NODE_GTM, "One zero two");
_ASSERT( rc==0 );
tearDown();
}
void
gtm_standby_finishActiveConn(void)
{
GTM_ActiveConn = gtm_standby_connectToActiveGTM();
if (GTM_ActiveConn == NULL)
{
elog(DEBUG3, "Error in connection");
return;
}
elog(LOG, "Connection established to the GTM active.");
/* Unregister self from Active-GTM */
node_unregister(GTM_ActiveConn, GTM_NODE_GTM, NodeName);
/* Disconnect form Active */
GTMPQfinish(GTM_ActiveConn);
}
int process_unregister_command(GTM_PGXCNodeType type, char *nodename)
{
GTM_Conn *conn;
int res;
conn = connectGTM();
if (conn == NULL)
{
elog(ERROR, "ERROR: failed to connect to GTM\n");
return -1;
}
res = node_unregister(conn, type, nodename);
if (res == GTM_RESULT_OK){
elog(NOTICE, "unregister %s from GTM.\n", nodename);
GTMPQfinish(conn);
return 0;
}
else
{
elog(ERROR, "ERROR: Failed to unregister %s from GTM.\n", nodename);
GTMPQfinish(conn);
return res;
}
}
